import java.util.Scanner;

public class hellojavasoft {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        System.out.println("请输入你的年龄?");
        //string ->int
        if(sc.nextInt()>=18){
            System.out.println("去一些场所吧");
        }
    }
}
